South African T3's have rotary controls. Not sure what year they started putting those on. 

If you look at a Mk3/A3 Golf/Jetta, you will find they have very similar Bowden cable controls with rotary dials. You may only need to adapt the cable ends. The rotary controls in the Golfs have circular ends which are attached to stud like protrusion. Whereas Vanagons are a dog-leg straight ends.

BenT
sent from my electronic leash

> On Feb 18, 2014, at 8:56 AM, "dofunk@yahoo.com" <dofunk@YAHOO.COM> wrote:
> 
> The thing that caught my eyes I was the heater controls....no sliders...just knobs! I'll be making that mod next!
> 
> Sent from Yahoo Mail on Android
> 
>